نتایج جستجو برای: polymethyl galacturonase
تعداد نتایج: 3589 فیلتر نتایج به سال:
Objectives The purpose of this experimental study was to discover a method to increase the strength of repaired polymethyl methacrylate (PMMA) samples. Materials and Methods In this experimental study, 40 specimens with the dimensions of 65×10×2.5mm3 were fabricated using heat-curing acrylic resin. Sixteen specimens were repaired with fiberglass and self-curing PMMA, while 16 samples were rep...
1. Applied Physics Program, Northwestern University, Evanston, IL, USA 2. Material Science Division, Argonne National Laboratory, Argonne, IL, USA 3. TechnionIsrael Institute of Technology, Haifa, Israel 4. Center for Nanoscale Materials, Argonne National Laboratory, Argonne, IL, USA 5. Energy Science Division, Argonne National Laboratory, Argonne, IL, USA 6. Physics Department, University of C...
Bone cements are extensively employed in orthopaedics for joint arthroplasty, however implant failure in the form of aseptic loosening is known to occur after long-term use. The exact mechanism causing this is not well understood, however it is thought to arise from a combination of fatigue and chemical degradation resulting from the hostile in vivo environment. In this study, two commercial bo...
Polymethyl methacrylate (PMMA) is one of the most popular synthetic polymers in aircraft windshields as an alternative to glass, due to its lightweight, high transparency and impact-resistant characteristics. The erosion behavior of PMMA is critical when used as an alternative to glass in an aircraft windshield. This paper presents experimental data on the effects of particle size, velocity and...
[This corrects the article on p. 396 in vol. 35.].
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